Preheat oven to 350°F. Spray a 9" x 6" loaf pan with non-stick cooking spray. Set aside.
In a medium mixing bowl, whisk together the egg whites, pumpkin, applesauce, brown sugar and agave. In a large mixing bowl, combine the flour, pastry flour, baking soda, baking powder, salt and pumpkin pie spice.
Pour the liquid mixture into the dry mixture and mix well. Fold in 1 cup of the cranberries. Pour into the prepared loaf pan. Sprinkle with walnuts, remaining ½ cup cranberries and 1 teaspoon sugar. Bake for 45 minutes to an hour or until a toothpick inserted into the center comes out clean.